megahertz
noun
mega·hertz
ˈme-gə-ˌhərts 
-ˌherts
plural megahertz
: a unit of frequency equal to one million hertz
—abbreviation MHz
Examples of megahertz in a Sentence
Recent Examples on the Web
Both the cellular and Wi-Fi industries consider this contiguous block, which covers frequencies from 5,925 to 7,125 megahertz, critical.
—
Stephen Cousins,
IEEE Spectrum,
25 June 2026
That began to change last year when SpaceX agreed to acquire Echostar’s 65 megahertz of spectrum for $17 billion to help propel Starlink Mobile.
—
Morgan Brennan,harriet Taylor,
CNBC,
12 June 2026
In the '90s and early 2000s, there was a similar race to increase computer clock speed (megahertz to gigahertz).
—
Charles Pensig,
Forbes.com,
14 May 2026
Heavier particles like antiprotons (or calcium ions) prefer much slower megahertz (MHz) fields.
—
Rupendra Brahambhatt,
Interesting Engineering,
11 Apr. 2026
See All Example Sentences for megahertz
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Stephen Cousins,
IEEE Spectrum,
25 June 2026
That began to change last year when SpaceX agreed to acquire Echostar’s 65 megahertz of spectrum for $17 billion to help propel Starlink Mobile.
—
Morgan Brennan,harriet Taylor,
CNBC,
12 June 2026
In the '90s and early 2000s, there was a similar race to increase computer clock speed (megahertz to gigahertz).
—
Charles Pensig,
Forbes.com,
14 May 2026
Heavier particles like antiprotons (or calcium ions) prefer much slower megahertz (MHz) fields.
—
Rupendra Brahambhatt,
Interesting Engineering,
11 Apr. 2026
See All Example Sentences for megahertz
Cite this Entry
“Megahertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megahertz. Accessed 4 Jul. 2026.
Copy CitationKids Definition
megahertz
noun
mega·hertz
ˈmeg-ə-ˌhərts
-ˌhe(ə)rts
: a unit of frequency equal to one million hertz
Medical Definition
megahertz
noun
mega·hertz
ˈmeg-ə-ˌhərts
: one million hertz
—abbreviation MHz
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